Microsoft Planner tasks can be managed from within the Teams interface or by going to the Planner web interface. Tasks can be assigned to one or more team members with progress status, due dates and checklists.
Microsoft Planner can be accessed either through Outlook, Teams or Planner from the online web application.
To access from the web application:
To access from Microsoft Teams:
Click on the three dots on the left-hand panel to View more apps and search for Planner.